MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised with a search query related to a technical document. The PDF also hosts a large number of external links, many pointing to static.usrfiles.com, suggesting a link farm or SEO poisoning tactic. No scripts were extracted, but the presence of the malicious redirector and the link farm strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/wix?keyword=minerals+in+thin+section+2nd+edition+pdf
- https://static.usrfiles.com/ugd/b8c837_fe8f302857a94cf19bec3f85718177bb.pdf
- https://static.usrfiles.com/ugd/9b33c5_2246e61f073242978410d3d6b3a41fbc.pdf
- https://static.usrfiles.com/ugd/b8c837_12985fe92d964c679b808b2fc07d15e6.pdf
- https://static.usrfiles.com/ugd/b8c837_7c00e3fd763d49aeb52b56d4275fa331.pdf
- https://static.usrfiles.com/ugd/ae059d_d64975d5d24644df924214adab71039b.pdf
- https://static.usrfiles.com/ugd/ef7b09_2965174643664e25b05861fbfc346a86.pdf
- https://static.usrfiles.com/ugd/b8c837_c6574de862bd4d0eb82da68d5e67e820.pdf
- https://static.usrfiles.com/ugd/9b7d8a_06f3a673324a44d1b7a6e4a973fb9cc9.pdf
- https://static.usrfiles.com/ugd/b8c837_806dfe3ea78b417c8dfa9f9b6c3a9b6b.pdf
- https://static.usrfiles.com/ugd/b8c837_da1b8b8407d442d7998881b1a0444216.pdf
- https://static.usrfiles.com/ugd/b8c837_ec80e12df15e4f289b8c212a7c91ffeb.pdf
- https://static.usrfiles.com/ugd/e4ff69_8e2a6f45691245b98daec7a3e0f7ea47.pdf
- https://static.usrfiles.com/ugd/49be48_549ba920658e4e67b5377efaeaf08f4c.pdf
- https://static.usrfiles.com/ugd/efb3f0_857e6eae0bd34150b32ff11b26449177.pdf
- https://static.usrfiles.com/ugd/4b874d_6b0abcd464194d10a9f405e6ae12220c.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056c8.bin15011fd31f9ca3874fda2c56c67c605920cf6e90bde9ed28b0f7f984a2f3c918 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56C8 | 5380 bytes |
font_01_sfnt_off0000690c.bin0a7a2092127b59d4b8e527dc977b1d133df0464ba69659cb07d95bff83b1d086 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x690C | 10352 bytes |
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